Mastering Larger Multiplication Strategies

The video tutorial covers the concept of larger multiplication for fourth graders, focusing on two by two and three by one multiplication. It uses a problem from the 2016 Texas STAR test to demonstrate the process. The tutorial explains the problem using a strip diagram and solves it using both the distributive property and the standard algorithm, highlighting the commutative property and regrouping techniques.

What grade level is the concept of larger multiplication taught in Texas?

• Third grade

• Fourth grade

• Fifth grade

• Sixth grade

What is the total number of games a basketball team plays in 25 years?

• 2500 games

• 820 games

• 2050 games

• 1025 games

Which property allows us to flip the order of numbers in multiplication?

• Commutative property

• Associative property

• Distributive property

• Identity property

What is the first step in using the distributive property for multiplication?

• Break down the numbers into simpler components

• Multiply the tens place first

• Add the numbers together

• Subtract the smaller number from the larger one

What are partial products?

• Intermediate results in the multiplication process

• The sum of two numbers

• The difference between two numbers

• The final result of a multiplication problem

How many partial products are there in the provided method?

• Four

• Three

• Five

• Two

What is the result of 80 times 5 in the context of this problem?

• 400

• 800

• 40

• 500

What is the final answer to the multiplication problem discussed?

• 1025

• 2050

• 5000

• 2500

What does regrouping refer to in the standard algorithm?

• Carrying over a value to the next place value

• Subtracting numbers

• Dividing the numbers

• Rearranging the numbers

How many zeros are added at the end when multiplying 80 by 20?

• One zero

• Two zeros

• Three zeros

• No zeros